040000 tree 3ecfa89e2ff28abf7f1d8551062a08307fab4e3f	core
040000 tree 37481dfc28f899f4b6933a0209450c0cde9b7004	event
040000 tree 63b364bb7164e96737413d0e478a6ab1f2fa2fb1	http
040000 tree 18291c997ee1608a4475c72dbde3c95b92eb14b2	mail
040000 tree dc1b4be19b2e17b02c3ebddfb4764fda84244a0f	misc
040000 tree 61c689ab5519b6862ef5de10d6402d2436485f1f	os
040000 tree e9b8c17574e625fa17b01307a035f67f27b89178	stream